package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.Result;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@Slf4j
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService service;

    /**
     * 新增分类
     *
     * @param category
     * @return
     */
    @PostMapping
    public Result<String> save(@RequestBody Category category) {
        log.info("category: {}", category);
        service.save(category);

        return Result.success("新增分类成功");
    }

    /**
     * 分页查询
     *
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public Result<Page> page(int page, int pageSize) {
        //分页构造器
        Page<Category> pageInfo = new Page<>(page, pageSize);

        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();

        //添加排序条件 根据sort排序
        queryWrapper.orderByAsc(Category::getSort);

        //分页查询
        service.page(pageInfo, queryWrapper);
        //返回结果
        return Result.success(pageInfo);
    }


    /**
     * 根据id 删除对应分类
     * @param id
     * @return
     */
    @DeleteMapping
    public Result<String> delete(Long id) {
        log.info("删除分类,id为{}", id);

        service.remove(id);
        return Result.success("删除成功");
    }

    /**
     * 修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public Result<String> update(@RequestBody  Category category){
        log.info("修改分类信息 : {}",category);

        service.updateById(category);
        return Result.success("修改分类信息成功");
    }

    @GetMapping("/list")
    public Result<List<Category>> list(Category category){

        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        queryWrapper.eq(category.getType() != null,Category::getType,category.getType());

        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = service.list(queryWrapper);
        return Result.success(list);

    }

}
